| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 30.406 | N/A |
| 2 | 4 | 19.935 | 21/7:09.106 |
| 3 | 3 | 20.642 | 21/7:16.176 |
| 4 | 3 | 19.535 | 21/7:11.152 |
| 5 | 3 | 19.114 | 21/7:06.536 |
| 6 | 3 | 18.973 | 21/7:03.202 |
| 7 | 4 | 20.670 | 21/7:06.636 |
| 8 | 4 | 22.584 | 21/7:14.557 |
| 9 | 4 | 20.472 | 21/7:15.218 |
| 10 | 4 | 20.957 | 21/7:16.810 |
| 11 | 4 | 20.767 | 21/7:17.704 |
| 12 | 5 | 24.419 | 20/7:04.341 |
| 13 | 5 | 23.941 | 20/7:09.420 |
| 14 | 5 | 19.256 | 20/7:06.870 |
| 15 | 5 | 24.507 | 20/7:11.810 |
| 16 | 5 | 19.143 | 20/7:09.298 |
| 17 | 5 | 21.347 | 20/7:09.717 |
| 18 | 5 | 20.008 | 20/7:08.590 |
| 19 | 5 | 20.449 | 20/7:08.053 |
| 20 | 5 | 20.179 | 20/7:07.304 |